CN1383364A - Article of footwear with motion control device - Google Patents

Article of footwear with motion control device Download PDF

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Publication number
CN1383364A
CN1383364A CN01800947A CN01800947A CN1383364A CN 1383364 A CN1383364 A CN 1383364A CN 01800947 A CN01800947 A CN 01800947A CN 01800947 A CN01800947 A CN 01800947A CN 1383364 A CN1383364 A CN 1383364A
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CN
China
Prior art keywords
chamber
gasbag chamber
gasbag
pressure
valve
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Granted
Application number
CN01800947A
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Chinese (zh)
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CN1174694C (en
Inventor
约翰·F·斯威格特
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Nike Innovation LP
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Nike International Ltd
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Publication of CN1383364A publication Critical patent/CN1383364A/en
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Publication of CN1174694C publication Critical patent/CN1174694C/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve

Abstract

An article of footwear with a bladder system is provided, providing cushioning and dynamic motion control in a multi-bladder system. The bladder system gives the needed amount of motion control by stiffening a portion of the footwear in response to the individual user's side-to-side motion. When used in the heel, the bladder system takes into consideration a center-of-pressure pathway of the foot to increase medial stiffness in response to lateral-to-medial rotation of the foot, so the more a user pronates, the stiffer the medial portion of the footwear is made. The bladder system provides comfort and control without the extra weight and bulk of prior art support structures. The bladder system dynamically changes the stiffness of a portion of the footwear when pressure is applied thereto, and returns to equilibrium when the pressure is removed.

Description

Footwear with motion control device
Invention field
The present invention relates to a kind of footwear, it has power varying motion control and cushion gas bag system.In walking, race or other motion, this gas-bag system provides the resistance of different sizes for this side-to-side movement according to the intensity of side-to-side movement.
Background of invention
Common running comprises runner's land in the outside of the footwear of heel area back edge, when pin continues to stride followed by changeing downwards towards the centre.When the pin collision continued, pin stopped to backspin and begins to revolve backward so that pin reaches a centre position when pin is swung forward.From middle position, pin is swung forwards to forefoot region, wherein toe occurs in the ball (ball) of pin and front portion and departs from.When the pin built on stilts begins a new circulation time, toe departs from the toe that generally includes the pin middle part and leaves moving surface.
To backspin comprise pin from its outside rear portion to its middle inside.Although to backspin is normal and necessary realizing normal pin location, it may cause that the runner's of excessive backspin pin, leg are injured.Excessively to the runner of backspin with a kind of position land of supination in the outside of heel, in the middle of the interior side direction of footwear, roll and pass through heel away from being considered to normal position then.When a certain amount of being rotary with benefits when reducing the pressure that born by leg and stress, unnecessary can cause stress on each joint, bone and the soft tissue downwards to backspin.Although unlike excessively common to the backspin, if comprise that also to cause pin and leg when the supination of the rolling of pin from the centre to the side is excessive injured.
Modern race and to walk footwear are many combination of elements, each element all has specific function, and each function helps footwear to bear the race of many miles and the whole capability of walking, and buffering and supporting to pin and leg are provided simultaneously.Article of athletic footwear is divided into two basic elements of character, a top and a sole.Top is designed to snugness ground and surrounds pin, and sole must provide adhesive force, safeguard measure and a wearing face.Usually need provide an intermediate sole to footwear, it has one deck elasticity, padded coaming, strengthens protectiveness and impact absorbency when heel collides ground during the wearer strides.For be designed be used for long distance and train for a long time or the footwear of walking unhurriedly this is especially correct.These padded coamings must enough softly collide the impact that ground was produced to absorb pin, and must be enough solid so that can " not touch the end " in the impact that the heel bump is produced before absorbing fully.
Carried out multiple effort so that supporting and comfortableness to be provided in footwear, they are contained in the sole by a plurality of air bags with fluid communication with each other and realize.The example of these devices comprises the United States Patent (USP) 4,183,156 (after this being used as list of references) of Rudy; The United States Patent (USP) 4,446,634 of Johnson etc.; The United States Patent (USP) 4,999,932 of Grim; The Australian Patent 200963 of Schutz etc.; And BROOKS The HYDROFLOW of motion Co., Ltd ST.
What be designed provides maximum and to walk footwear and to tend to by using an intermediate sole buffer system to sacrifice the stability of footwear with traditional race of buffering to the user, and described system is for excessively to backspin or need the people of certain form motion control too soft and have a too many side flexibility.The side flexibility of tradition padded coaming and distortion are to ankle-joint unstable influential and increased the runner excessively to the tendency of backspin.This unstability is considered to one of injured reason of " runner's knee " and other this motion.As a result, excessively do not use usually to the backspin person to be the custom-designed modern footwear of maximum cushioning, and be to use heavier, more solid footwear, perhaps have the footwear of motion control device, described device specialized designs is to be used for correcting for example too much practical problem to backspin.Motion control device has limited and has followed amount and/or the speed of pin bump ankle-joint afterwards to backspin closely.
Having proposed various resistance ankle-joint hypozygals too much is added in the sport footwear as motion control device to backspin or unsettled method and with them.Generally, by improving traditional footwear element, for example the heel protuberance and/or in improve described these devices with padded coaming.Unlike the present invention, the side-to-side movement that the supporting degree that present motion control device can not be regulated them is repeatedly followed each pin bump with cooperation in various degree.But when being used for controlling to backspin, by a kind of very solid structure being provided, coming limit excessive to backspin by the inward turning of restriction ankle, described structure has the supporting that certain degree of hardness and height are arranged of pressing the pin medial side as solid devices such as intermediate studdle.The example of motion control device comprises the United States Patent (USP) 5,046,267 of Kilgore etc.; The United States Patent (USP) 5,155,927 of Bates etc.; The United States Patent (USP) 5,367,791 of Gross etc.
Summary of the invention
Two injured modal reasons of pin that runner and walker are stood and knee are inadequate impact absorption and lack suitable flank movement control.When design must be considered this two reasons during footwear,, the wearer can not increase the overall weight of footwear significantly so that obtaining the buffering of appropriate amount and motion control.Many runners that require moderate exercise to control can have to use footwear weight, large volume with support features, and this is violent excessively designing to the backspin person.
The present invention one independently, introduced buffering and dynamic movement control in many gas-bag systems, this system provides optimum buffering, simultaneously by the lateral movement according to single user, the most common is to the backspin motion, and the motion control of aequum is provided.Gas-bag system of the present invention has been considered the Center of Pressure path of pin during the typical pin bump so that rotate the intensity that improves the centre to the middle part according to the sidepiece of pin, so user many more to backspin, and the mid portion of footwear is done firmly more.This gas-bag system provides comfortableness and control and the not excess weight and the volume of existing supporting structure, and this is because supporting is flowed by the fluid in the buffer system provides.This gas-bag system also provides a kind of power change buffering system, and this buffer system works when pressure is applied to the air bag zone of footwear, and this buffer system restores balance when pressure removes.
The present invention uses buffering and the dual-purpose lightweight air bag of motion control.The result is, comprise that motion control footwear of the present invention can do than the light of its coeval similar products and also degree supporting level accordingly a kind of and lateral movement such as excessive backspin was provided in per step of user.
A kind of footwear that is used to control the side-to-side movement of wearer's pin according to the present invention comprises a top, a sole and a gas-bag system that is arranged on sole inside that is connected to top.Described system comprises and being arranged side by side each other and at least one first and second gasbag chamber that fluid is communicated with.One first valve is arranged between first gasbag chamber and second gasbag chamber.First valve is opened under first predetermined pressure, is included in fluid in the first outer gasbag chamber when reaching predetermined value with the pressure in convenient first gasbag chamber and is compelled to flow into second gasbag chamber and increases and at it supporting that side is provided is set by second gasbag chamber to increase pressure in second gasbag chamber and power ground.
In a preferred embodiment, set gas-bag system is positioned at the heel area of sole, and a side setting of the contiguous heel area of first gasbag chamber, the opposite side setting of the contiguous heel area of the 3rd gasbag chamber, second gasbag chamber is arranged between the first and the 3rd gasbag chamber and is communicated with its fluid.One second valve is arranged between the 3rd and second gasbag chamber.Second valve comprises one second pressure regulator, this adjuster prevents that fluid from flowing to the 3rd gasbag chamber from second gasbag chamber when second predetermined pressure of the pressure ratio in second gasbag chamber is low, and this adjuster allows that fluid flow to the 3rd gasbag chamber from second gasbag chamber and increases the supporting that is provided by the 3rd gasbag chamber with pressure and the power ground that increases the 3rd gasbag chamber when the pressure in second gasbag chamber is equal to or higher than second predetermined pressure.
The present invention also comprises an embodiment, and it forces fluid to flow into two outside cabins from a central compartment, and they center on the central compartment so that the centre and the lateral rotation of pin are stablized and prevented to pin.In this embodiment, when pressure is applied to the central compartment, is arranged on the ducted valve that connects described chamber and allows that the fluid that is comprised flows into outside cabin immediately from the central compartment.In this embodiment, the mobile direction of the central fluid between the central compartment and first outside cabin is opposite with the direction of relative other embodiment of the present invention that discusses previously.In this embodiment, when exerting pressure, fluid flows into two exterior airbags from central balloon immediately.Fluid just flows into central balloon from first exterior airbag when fluid returns in the central balloon lentamente in all the other stages of running or walking about.
Brief description of the drawings
Fig. 1 is the exploded view that comprises a kind of footwear of gas-bag system of the present invention;
Fig. 2 A is a top view according to gas-bag system of the present invention, and it has a pipeline shell between gasbag chamber;
Fig. 2 B is a perspective view according to gas-bag system of the present invention;
Fig. 3 A is a top view according to gas-bag system of the present invention, and it has the pipeline shell of two pipelines that extend between gasbag chamber;
Fig. 3 B is a top view according to gas-bag system of the present invention, and it has two pipelines that extend between gasbag chamber;
Fig. 4 represents a kind of typical path of pin Center of Pressure during a step;
Fig. 5 A and 5B are along the 5A-5A of Fig. 3 A and Fig. 3 B and the cutaway view of 5B-5B line, the pipeline of expression different embodiment according to the subject invention, (after removing valve);
Fig. 6 is the top view according to another embodiment of gas-bag system of the present invention.
Detailed description of preferred embodiment
Fig. 1 represents that according to a kind of article of athletic footwear 80 of the present invention it comprises a power buffering and motion control gas-bag system 10.Footwear 80 are made up of top 75 and a sole assembly 85 of the covering person of a wearing pin.Gas-bag system 10 is included in the middle sole layer 60.An outsole layers 65 that is used for kiss the earth is fixed at least a portion of sole layer 60 to form sole assembly 85.A socks lining 70 is preferably disposed on sole top 75.The middle material for sole of shoe and the performance requirement that depend on footwear, middle sole layer 60 can also form part and kiss the earth is surperficial so that can save part or all of outsole layers 65 fully.Gas-bag system 10 is arranged on the heel area 81 of footwear 80 and by any conventional art foam-encased in the notch portion of sole or be mounted in it in foam for example.A kind of suitable foam encapsulation technology discloses in the United States Patent (USP) 4,219,945 of Rudy, therefore as list of references.
Shown in Fig. 1 and Fig. 2 A, air bag 12 comprises exterior lateral sides gasbag chamber 12 and outside center sleeve chamber 14.Central balloon chamber 16 be arranged between side and center sleeve chamber 12 and 14 and be communicated with their fluids so that air bag 12,14 and 16 with a kind of side by side relationship setting.Installing side airbag chamber 12 and central balloon chamber 16 are communicated with by first pipeline 20.Second pipeline 30 is communicated with central balloon chamber 16 and center sleeve chamber 14.In the embodiment shown in Fig. 2 A, chamber 12,14 and 16 is communicated with by pipeline 27.
Gasbag chamber 12,14,16 among Fig. 2 A and the pipeline 20,30 among pipeline 27 or Fig. 3 A and the 3B are formed by a kind of thermoplastic elastic barrier film, for example polyester polyurethanes, polyethers polyurethanes, for example a kind of have the casting of Shore A hardness or extrude ester group polyurethanes film, as Tetra plastics TPW-250.Can select other suitable material for use, disclosed in the patent of ' 156 for example Rudy's.At many polyurethane rubbers such as Pellethane TM(a kind of branded goods of the Dow chemical company at middle part, Michigan), Elastollan (a kind of registration mark of BASF AG) and ESTANE In the thermoplastic polyurethane rubber of (a kind of registration mark of B.F.Goodrich company), all be ester group or ether be proved to be particularly useful, wherein thermoplastic polyurethane rubber is particularly useful in forming rete.Also can use thermoplastic polyurethane rubber based on polyester, polyethers, PCL and Merlon macrogel.Other suitable material can comprise the thermoplastic film that contains crystalline lens material, the United States Patent (USP) 4,936,029 and 5,042,176 of Rudy for example, and they are used as list of references; The polyurethanes that comprises a kind of PEPA, the United States Patent (USP) 6,013,340 of Bonk etc. for example, it is used as list of references; Perhaps by at least one elastic thermoplastic material's layer and the multilayer film that the barrier material layer that is formed by ethene and ethenol copolymer constitutes, the United States Patent (USP) 5,952,065 of Mitchell etc. for example, it is used as list of references.
In a preferred embodiment of the invention, gasbag chamber 12,14,16 and pipeline 27,20,30 are by first and second layer 40 of elastic protective film, 45 integrally formed.In a preferred embodiment of the invention, air bag 12,14,16 is formed to guarantee the visuality of air bag by substantially transparent or translucent elastic membrane.
The United States Patent (USP) 4,183,156 and 4,219,945 of Marion F.Rudy is used as reference herein, and description can be used for forming the traditional welding technology of the shape of gasbag chamber 12,14,16 and pipeline 20,30.As ' 156 and ' 945 patents disclosed in, layer 40,45 can be soldered to be gone up each other to limit the sidewall of gasbag chamber 12,14,16 and pipeline 20,30, and the interior welds (not shown in the accompanying drawings) in the gasbag chamber is to maintain gasbag chamber in the flat substantially structure in addition.
In another embodiment of the present invention, gasbag chamber 12,14,16 and pipeline 27,20,30 adopt traditional blowing mould technology to make.
Gasbag chamber 12,14,16 can be sealed so that air or other fluid are remained on external atmospheric pressure, perhaps a kind of suitable fluid can be pressed into these fluids such as perfluoroethane, sulfur hexafluoride, nitrogen, air or be disclosed in the patent ' 156, ' 945, ' 029 of aforementioned Rudy or ' in 176 or other gas in ' 065 patent of Mitchell etc. as those.If be compressed, these fluids or gas can be put into air bag in a kind of traditional mode through an air-inflating tube (not shown) by a spicule or hollow soldering appliance.After the expansion, air bag can perhaps seal by the hollow soldering appliance around the expansion point of air-inflating tube in the sealing of the joint of air bag and air-inflating tube.
Fig. 4 schematically is illustrated in the path C at pin institute applied pressure center in the common running process PTherefrom as can be seen, originally the Center of Pressure is applied to the posterior edges of pin and obliquely to middle and move forward when pin clashes into.The intermediary movements of Center of Pressure is the sign of the natural backspin motion that pin stood at once after pin clashed into.When pin rolls by heel area forward, stop and pin begins in the opposite direction supination to a certain extent to backspin motion, for example, from the medial side to the side.
The Center of Pressure of pin is when intermediary movements process footwear 80 during pin clashes into, the air bag pressure inside is along increasing the medial side of filling and reinforcing footwear up to medial compartment successively preventing excessively to backspin to the backspin travel direction, prevent to exceed be considered to normal point to backspin.The pressure variation that produces in air bag during the pin bump is worked to provide and the motion control power degree that excessively adapts to the backspin degree to backspin motion one with pin.
In order to finish this dynamic Control, as shown in Figure 3A, the pressure between the gasbag chamber is respectively by first and second flow valves, 22,32 controls that are arranged on first and second pipelines, 20,30 inside.Valve 22,32 comprises check valve such as Vernay duckbill valve or flap valve.Valve 22,32 can also comprise what those were touched upon in the United States Patent (USP) 5,257,470 of the United States Patent (USP) 5,253,435 of Auger etc. and Auger etc., all use for referencial use herein.Can also use limit fluid only to flow and be used in check valve or test valve in medical treatment device such as syringe or the ball pump usually to a direction.Pipeline 20 and valve 22 are freely carried fluid on the direction that pin strides.Pipeline 30 and valve 32 allow that the fluid of discharge returns in its original chamber at leisure.Valve 22,32 is arranged on the front end of gas-bag system 10 so that protect them to avoid colliding during the pin bump.Pipeline 20,30 can be two independently elements, and wherein each element has the own flow circuits shown in Fig. 5 B, perhaps can be the element that comprises two fluid flow lines shown in Fig. 5 A.
Shown in Fig. 2 A, one has the check valve 28 that returns escape orifice slowly and can substitute with valve 22 and 32.A check valve 28 is arranged in the one-pipe that extends between two adjacent cells 27.By valve 22 and 32, each check valve and each one-pipe will carry out fluid communication with the front end of a pair of adjacent cells.
When making fluid, pin bump flows into chamber 16 or 14 and when causing that respectively pressure in chamber 12 or 16 raises, valve 22 or check valve 28 can be opened immediately.The time that regulating element in these valves can keep out is between 1 to 5 millisecond.One preferably the time of opening is 5 milliseconds.These regulating elements are the sheet on the flap valve for example.The pressure reduction that these valves can also be set between air bag reaches predetermined value, for example from arbitrarily small pressure reduction up to 10psi or be that fluid flows and opens valve when bigger along the direction that strides.Other known pressure grade also can be used for triggering these valves.The initial buffer pressure that the pressure rating that triggers will be based upon in the air bag in the time of will expanding according to air bag changes.The setting valve is opened valve and is allowed that gasbag chamber and fluid flow so that for serious backspin person, huger runner or other user customize under certain pressure reduction, these people need the buffering that is derived from air bag special or additional quantity.
When a user's heel contacted downwards, the predetermined pressure in the gasbag chamber preferably equated: P L=P C=P MPressure limit in the gasbag chamber be preferably in 15 and 30psi between, preferred pressure is 20psi.The initial bump of heel has increased pressure P wherein by making 12 distortion of installing side airbag chamber LWhen the pin bump is proceeded and P LSurpass P CPerhaps flow valve 22 is during calibration value, valve 22 open and fluid by pipeline 20 from the side gasbag chamber 12 flow to central compartment 16, cause that the pressure in the central compartment 16 increases, cause P C＞P MPressure in the central balloon chamber 16 even along with further increasing to backspin motion, this is because move with compression central balloon chamber 16 to the centre Center of Pressure.Work as P CSurpass P MOr during the demarcation difference limiting value of the valve between chamber 14 and 16 22, valve 22 is opened and fluid flows into center sleeve chambers 14 from central gasbag chamber 16.The pressure increase that is produced in the chamber 14 has been strengthened the medial side of heel area 81 to prevent any further middle rolling of pin, promptly limits to backspin.The position and the dynamics of heel bump depended in the pressure that increases in the center sleeve chamber 14 and the reinforcing of footwear 80 medial side.
The medial side that gas-bag system 10 adapts to the following spinor during striding and correspondingly reinforced footwear 80.Pressure gasbag chamber 12 from the side can be called as pressure ladder liter to central balloon chamber 16 to the increase successively of center sleeve chamber 14.The side to the determining positions of the degree of intermediary movements and pin bump in the center sleeve chamber 14 final pressure and along the final reinforcement degree of footwear 80 medial side.The final pin that makes progress to the third side in the outer ledge and the side of footwear when user's land moves when big, and the pressure ladder in the system 10 rises maximum.As previously mentioned, such moving to the backspin pin exerts pressure originally for installing side airbag chamber 12, forces its fluid to enter central balloon chamber 16.When step continued, pressure imposed on that volume of fluid is forced into center sleeve chamber 14 in central balloon chamber 16 and the central compartment, thereby has strengthened the medial side of footwear 80.
User who does not have an excessive backspin is applied to less initial pressure the side of footwear and will oppresses a spot of fluid usually in common striding and enters air bag 16 and 14, and this is to compare with the excessive backspin person with identical bump dynamics.When one excessively the people of backspin does not use footwear 80, suppose that both heel bumps have identical dynamics, so along the final reinforcement degree of medial side with touch upon above different.For example, if the pressure that a user's heel bump at first only compresses in central balloon chamber 16 and the chamber, side 12 remains under the release limit of valve 22 in the pipeline 20, only can transfer to center sleeve chamber 14 from the fluid of central balloon 16.Therefore the final pressure in the chamber 14 will only be in the chamber 14 fluid pressure and from the chamber 16 transfer amount and.Pressure when the flow valve between chamber 12 and 16 22 will prevent that fluid from leaving the pressure ratio valve 22 of installing side airbag chamber 12 in chamber 12 and open is big.Valve 32 flows into chamber 12 or by working with valve 22 pressure in the chamber 12 is remained on its initial value by preventing fluid, so that the fluid by valve 32 inlet chambers 12 is discharged in the chamber 16 by valve 22.Therefore, pressure in the center sleeve 14 can not be elevated to resulting stagnation pressure during the excessive backspin heel bump, the i.e. pressure that begins of lateral parts by the bump footwear, this be since in the chamber 16 available fluid can not be summation from air bag 12,14 and 16.On the contrary, it will only comprise the fluid from chamber 14 and 16 effectively.Therefore, the runner is few more to backspin, and it is few more that the medial side of footwear is strengthened.
After the stage of landing of running finishes, balance between the air bag or initial pressure rebulid before next heel bump, this otherwise realize through two slow leakages that by one or by valve 32, it allows that fluid flows back to central authorities and installing side airbag chamber to valve 28.Return these gasbag chambers to be the typical recovery time that keep-ups pressure between 0.1 to 2 second, the most preferred time is near 1 second.As mentioned above, will depend on the Fluid Volume that forces outflow from each gasbag chamber recovery time.Chamber fluid more little or that shift is few more, and the recovery time of system is short more.
As shown in Figure 6, a buffer system 100 can be extended along the length of footwear 80, promptly has gasbag chamber in heel area and forefoot region.Buffer system 100 comprises a gas-bag system 110.Gas-bag system 110 is identical with the structure of gas-bag system 10, among Fig. 6 similar elements be marked by with gas-bag system 10 in similar label, but in 100 serial numbers.Gasbag chamber 112,114 with 116 respectively working, in order to strengthen the medial side of the footwear 80 in heel area 135 after the paces with gasbag chamber 12,14 modes identical with 16.
Buffer system 100 also comprises a gas-bag system 148 that is formed by the gasbag chamber in the forefoot region 150 152 and 156, to provide lateral stability and improve the performance of footwear when running or jump.Gasbag chamber 152 and 156 is along the forefoot region extension of footwear 80 and by forming with gasbag chamber 12,14 and 16 identical materials.As previously mentioned, gasbag chamber 152 and 156 comprise a kind of support, buffering liquid, this liquid can be the same with used liquid in rear portion gasbag chamber 112,114 and 116, or a kind of different liquid.Gasbag chamber 152 and 156 communicates with each other by a pair of pipeline 158 that respectively has a valve 160,162.Valve 160,162 is identical with valve 122,132 respectively, except they can be designed to work under different pressure and pressure reduction.Compare with above-mentioned valve 122, valve 160 allow fluid along the centre flowing to the direction of side so that during pin strides, strengthen the side of footwear 80 forward foot in a step.When the pin bump moved through the forward foot in a step of footwear 80, fluid flowed out medial compartment 152 and enters chamber, side 156 to strengthen the side of footwear 80.Pressure ladder in the forward foot in a step rises follows the principle identical with heel area, except fluid flows along opposite direction.Pressure ladder in the forward foot in a step rises the side of having strengthened footwear 80, and support foot when cutting (cutting) or turning is so that the performance of raising footwear, the perhaps stage that the travels forward supporting forward foot in a step of running or walking.When gasbag chamber 156 was full of fluid from chamber 152, it produced a kind of effect of wedge in the forward foot in a step, and the user can the backup forward foot in a step when turning, jumping or running.Valve 162 allow fluid from the chamber 152 return chamber 156.
The pressure ladder rises system and can be divided into any amount of chamber.Its effect is by relative volume, position and be used to provide the terraced quantity that rises the chamber of function of pressure to determine.For the quantity of any given used chamber of motion to small part based on as the pressure in the zone under foot of the function of time.The position of air bag and size depend on that they comprise into the type of footwear and the motion occasion that they will be used for.For example, the system that is arranged in the footwear that is intended for use to play basketball can have the size different with the footwear that are used to run, different keep-up pressure and different valves touches pressure.In addition, basketball shoes can comprise the forefoot portion of buffer system 100, and this system can be unwanted in running shoe.
In front with reference to having described many characteristics of the present invention, advantage and embodiment in the description of the drawings in detail.But disclosed is schematically and the embodiment shown in the invention is not restricted to.Those skilled in the art can carry out various modifications and variations under the prerequisite that does not depart from the scope of the invention or spirit.

Claims (26)

1. footwear of controlling the side-to-side movement of wearer's pin comprises:
A top that is used to cover at least a portion of wearer's pin;
A sole that is connected to described top;
A gas-bag system that is arranged on described sole inside, described system comprises at least one first and second gasbag chamber of fluid communication with each other, described first and second gasbag chambers are arranged side by side to side surface direction each other along the centre of described sole;
First valve that is arranged between first gasbag chamber and second gasbag chamber;
Described first valve comprises one first pressure regulator, and it can prevent that when the pressure in described first gasbag chamber is lower than first predetermined pressure fluid from flowing to described second gasbag chamber from described first gasbag chamber; When being equal to or higher than described first predetermined pressure, the pressure in described first gasbag chamber allows that fluid flow to described second gasbag chamber from described first gasbag chamber and improves the supporting that is provided in its set side by described second gasbag chamber with pressure and the power ground that increases described second gasbag chamber.
2. footwear as claimed in claim 1 is characterized in that: described first valve is a check valve.
3. footwear as claimed in claim 2 is characterized in that: described check valve has an adjuster, and this adjuster allows that fluid returns described first gasbag chamber after it is compulsorily entered into described second gasbag chamber.
4. footwear as claimed in claim 1 is characterized in that: described valve adjuster allows that described gasbag chamber turns back to a kind of initial support pressure between each paces.
5. footwear as claimed in claim 1 is characterized in that: described second gasbag chamber extends with control to backspin along medial side.
6. footwear as claimed in claim 1 is characterized in that: described second gasbag chamber revolves with control backward along the side extension of forefoot region.
7. footwear as claimed in claim 1 also comprise one second valve that is arranged between described first gasbag chamber and described second gasbag chamber, it is characterized in that: described second valve allows that fluid is back to described first gasbag chamber.
8. footwear as claimed in claim 1 is characterized in that:
The described gas-bag system that is provided with is positioned at the heel area of described sole, an and side setting of the contiguous described heel area of described first gasbag chamber, the opposite side setting of one the 3rd contiguous described heel area of gasbag chamber, described second gasbag chamber is arranged between the described first and the 3rd gasbag chamber and is communicated with its fluid;
One be arranged on the described the 3rd and described second gasbag chamber between second valve;
Described second valve comprises one second pressure regulator, this adjuster prevents that fluid from flowing to described the 3rd gasbag chamber from described second gasbag chamber when pressure ratio second predetermined pressure in described second gasbag chamber is low, and this adjuster allows that fluid flow to described the 3rd gasbag chamber to increase the supporting that pressure described the 3rd gasbag chamber and the increase of power ground are provided by described the 3rd gasbag chamber from described second gasbag chamber when the pressure in described second gasbag chamber is equal to or higher than described second predetermined pressure.
9. footwear as claimed in claim 8, it is characterized in that: described valve is a check valve, pressed when increasing the pressure in described the 3rd Room described valve when described heel area and allowed that fluid flows between described chamber, thereby strengthen described heel area, in this zone, be provided with described the 3rd gasbag chamber, the motion of its control pin.
10. footwear as claimed in claim 9 is characterized in that: each described check valve has an adjuster, and this adjuster allows that fluid returns described first and second gasbag chambers after it is compulsorily entered into described the 3rd gasbag chamber.
11. footwear as claimed in claim 8 is characterized in that: described valve adjuster allows that described gasbag chamber turns back to a kind of initial support pressure between each paces of user.
12. footwear as claimed in claim 8 is characterized in that: described the 3rd gasbag chamber extends with control to backspin along the medial side of described heel area.
13. footwear as claimed in claim 8, also comprise the 3rd valve that is arranged between described first gasbag chamber and described second gasbag chamber, and the 4th valve that is arranged between described the 3rd gasbag chamber and described second gasbag chamber, it is characterized in that: described third and fourth valve is allowed and is back to described first and second gasbag chambers respectively.
14. one kind is used in the power gas-bag system that moves with control wearer pin in the footwear, described gas-bag system comprises:
At least the first and second gasbag chambers of fluid communication with each other, described first and second gasbag chambers are arranged side by side to side surface direction each other in the centre of described sole;
First valve that is arranged between first gasbag chamber and second gasbag chamber;
Described first valve comprises one first pressure regulator, and it prevents that when the pressure in described first gasbag chamber is lower than first predetermined pressure fluid from flowing to described second gasbag chamber from described first gasbag chamber; When being equal to or higher than described first predetermined pressure, the pressure in described first gasbag chamber allows that fluid flow to described second gasbag chamber from described first gasbag chamber and improves the supporting that is provided in its set side by described second gasbag chamber with pressure and the power ground that increases described second gasbag chamber.
15. gas-bag system as claimed in claim 14 is characterized in that: described first valve is a check valve.
16. gas-bag system as claimed in claim 15 is characterized in that: described check valve has an adjuster, and this adjuster allows that fluid returns described first gasbag chamber after it is compulsorily entered into described second gasbag chamber.
17. gas-bag system as claimed in claim 14 is characterized in that: described valve adjuster allows that described gasbag chamber turns back to initial support pressure between each paces.
18. gas-bag system as claimed in claim 14 also comprises one second valve that is arranged between described first gasbag chamber and described second gasbag chamber, it is characterized in that: described second valve allows that fluid is back to described first gasbag chamber.
19. gas-bag system as claimed in claim 14 comprises:
One the 3rd gasbag chamber is characterized in that: described second gasbag chamber is arranged between the described first and the 3rd gasbag chamber and is communicated with its fluid;
Second valve that is arranged between described the 3rd gasbag chamber and described second gasbag chamber;
Described second valve comprises one second pressure regulator, this adjuster prevents that fluid from flowing to described the 3rd gasbag chamber from described second gasbag chamber when pressure ratio second predetermined pressure in described second gasbag chamber is low, and this adjuster allows that fluid flow to described the 3rd gasbag chamber to increase the supporting that pressure described the 3rd gasbag chamber and the increase of power ground are provided by described the 3rd gasbag chamber from described second gasbag chamber when the pressure in described second gasbag chamber is equal to or higher than described second predetermined pressure.
20. gas-bag system as claimed in claim 19, it is characterized in that: described valve is a check valve, pressed when increasing the pressure in described the 3rd Room described valve when described gas-bag system and allowed that fluid flows between described chamber, thereby strengthen a described zone, described the 3rd gasbag chamber wherein is set and by the motion of described the 3rd gasbag chamber control pin.
21. gas-bag system as claimed in claim 20 is characterized in that: each described check valve has an adjuster, and this adjuster allows that fluid returns described first and second gasbag chambers after it is forced into described the 3rd gasbag chamber.
22. gas-bag system as claimed in claim 19 is characterized in that: described valve adjuster allows that described gasbag chamber turns back to a kind of initial support pressure between each paces of user.
23. gas-bag system as claimed in claim 19, also comprise the 3rd valve that is arranged between described first gasbag chamber and described second gasbag chamber, and the 4th valve that is arranged between described the 3rd gasbag chamber and described second gasbag chamber, it is characterized in that: described third and fourth valve allows that reflux fluid enters described first and second gasbag chambers respectively.
24. a gas-bag system, it is used in the footwear and controls by supporting about gas-bag system is provided with power ground, and it comprises:
Some gasbag chambers that comprise fluid with the side by side relationship setting;
Fluid ground connects the pipeline of adjacent chamber;
Flow control apparatus flow at least one described other gasbag chamber so that pressure at least one described other gasbag chamber and the supporting that is provided thereof to be provided in order to direct fluid when the pressure of a chamber in the described gasbag chamber surpasses predetermined value from a described gasbag chamber that stands wearer's pin bump.
25. gas-bag system as claimed in claim 24, it is characterized in that: described some gasbag chambers comprise at least three gasbag chambers, they comprise two exterior airbag chambers and a central balloon chamber, and when the impact of wearer's pin increase pressure in the described described exterior airbag chamber be higher than first predetermined pressure and after when increasing pressure in the described central compartment and being higher than second predetermined pressure, described flow control apparatus be so arranged with guide continuously fluid from a described exterior airbag chamber flow to described central balloon chamber and after to another described exterior airbag chamber so that pressure described another described exterior airbag chamber and the supporting that is provided thereof to be provided.
26. gas-bag system as claimed in claim 25, it is characterized in that: described flow control apparatus allows that fluid turns back to described central balloon chamber from described another described exterior airbag chamber, and a described described exterior airbag chamber has been done after wearer's pin bump.
CNB018009476A 2000-03-16 2001-03-15 Article of footwear with motion control device Expired - Lifetime CN1174694C (en)

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CN1174694C (en) 2004-11-10
ATE300202T1 (en) 2005-08-15
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DE60112225T2 (en) 2006-05-24
KR20020007412A (en) 2002-01-26
US6457262B1 (en) 2002-10-01
CN1589692A (en) 2005-03-09
US20020053146A1 (en) 2002-05-09
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EP1209992A2 (en) 2002-06-05
DE60112225D1 (en) 2005-09-01

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